122112021101111 has 8 divisors (see below), whose sum is σ = 122179132706400. Its totient is φ = 122044910579488.

The previous prime is 122112021101027. The next prime is 122112021101137. The reversal of 122112021101111 is 111101120211221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122112021101111 - 2¹⁴ = 122112021084727 is a prime.

It is a super-2 number, since 2×122112021101111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122112021101111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112021001111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346389365 + ... + 346741713.

It is an arithmetic number, because the mean of its divisors is an integer number (15272391588300).

Almost surely, 2^{122112021101111} is an apocalyptic number.

122112021101111 is a deficient number, since it is larger than the sum of its proper divisors (67111605289).

122112021101111 is a wasteful number, since it uses less digits than its factorization.

122112021101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541833.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 122112021101111 its reverse (111101120211221), we get a palindrome (233213141312332).

The spelling of 122112021101111 in words is "one hundred twenty-two trillion, one hundred twelve billion, twenty-one million, one hundred one thousand, one hundred eleven".